Posted by **Anonymous** on Tuesday, September 4, 2012 at 3:44pm.

last month bill's electric bill was $80.77. This month , bill bill was $69.06. what is the%degrease

- college math -
**Steve**, Tuesday, September 4, 2012 at 3:49pm
degrease? You sure it's electric, and not plumbing?

the decrease is 80.77-69.06 = 11.71

as a percent of the bill, 11.71/80.77 = .1449 = 14.49%

- college math -
**Anonymous**, Tuesday, September 4, 2012 at 3:50pm
%decrease=(decrement / initial)x 100

=(80.77-69.06)/80.77 x 100

=11.71/80.77 x100

=14.497%

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